The deepest point in the ocean is the Challenger Deep in the Mariana Trench, at about 36,000 feet below sea level.

The Earth's oceans cover more than 70% of the planet's surface.

Fact #220 · Ocean

Clams have been found alive at the bottom of the Mariana Trench.

Fact #5140 · Ocean

Some species of nudibranch (sea slug) incorporate stinging cells from jellyfish into their own bodies for defense.

Fact #5126 · Ocean

The largest living structure on Earth is the Great Barrier Reef.

Fact #2632 · Ocean

The Pacific Ocean has the most islands of any ocean.

Fact #327 · Ocean

The Pacific Ocean is the deepest ocean on Earth.

Fact #337 · Ocean

Some whales communicate across vast distances underwater.

Fact #228 · Ocean

Certain fish can inflate their bodies to appear larger.

Fact #554 · Ocean